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Diffstat (limited to 'arch/sparc64/kernel/pci_psycho.c')
-rw-r--r--arch/sparc64/kernel/pci_psycho.c65
1 files changed, 7 insertions, 58 deletions
diff --git a/arch/sparc64/kernel/pci_psycho.c b/arch/sparc64/kernel/pci_psycho.c
index 4562b3e0b54..4681e3d8b5f 100644
--- a/arch/sparc64/kernel/pci_psycho.c
+++ b/arch/sparc64/kernel/pci_psycho.c
@@ -20,6 +20,7 @@
#include "pci_impl.h"
#include "iommu_common.h"
+#include "psycho_common.h"
#define DRIVER_NAME "psycho"
#define PFX DRIVER_NAME ": "
@@ -787,63 +788,6 @@ static void __init psycho_scan_bus(struct pci_pbm_info *pbm,
psycho_register_error_handlers(pbm);
}
-static int psycho_iommu_init(struct pci_pbm_info *pbm)
-{
- struct iommu *iommu = pbm->iommu;
- unsigned long i;
- u64 control;
- int err;
-
- /* Register addresses. */
- iommu->iommu_control = pbm->controller_regs + PSYCHO_IOMMU_CONTROL;
- iommu->iommu_tsbbase = pbm->controller_regs + PSYCHO_IOMMU_TSBBASE;
- iommu->iommu_flush = pbm->controller_regs + PSYCHO_IOMMU_FLUSH;
- iommu->iommu_tags = iommu->iommu_flush + (0xa580UL - 0x0210UL);
-
- /* PSYCHO's IOMMU lacks ctx flushing. */
- iommu->iommu_ctxflush = 0;
-
- /* We use the main control register of PSYCHO as the write
- * completion register.
- */
- iommu->write_complete_reg = pbm->controller_regs + PSYCHO_CONTROL;
-
- /*
- * Invalidate TLB Entries.
- */
- control = psycho_read(pbm->controller_regs + PSYCHO_IOMMU_CONTROL);
- control |= PSYCHO_IOMMU_CTRL_DENAB;
- psycho_write(pbm->controller_regs + PSYCHO_IOMMU_CONTROL, control);
- for (i = 0; i < 16; i++) {
- psycho_write(pbm->controller_regs + PSYCHO_IOMMU_TAG + (i * 8UL), 0);
- psycho_write(pbm->controller_regs + PSYCHO_IOMMU_DATA + (i * 8UL), 0);
- }
-
- /* Leave diag mode enabled for full-flushing done
- * in pci_iommu.c
- */
- err = iommu_table_init(iommu, IO_TSB_SIZE, 0xc0000000, 0xffffffff,
- pbm->numa_node);
- if (err) {
- printk(KERN_ERR PFX "iommu_table_init() fails\n");
- return err;
- }
-
- psycho_write(pbm->controller_regs + PSYCHO_IOMMU_TSBBASE,
- __pa(iommu->page_table));
-
- control = psycho_read(pbm->controller_regs + PSYCHO_IOMMU_CONTROL);
- control &= ~(PSYCHO_IOMMU_CTRL_TSBSZ | PSYCHO_IOMMU_CTRL_TBWSZ);
- control |= (PSYCHO_IOMMU_TSBSZ_128K | PSYCHO_IOMMU_CTRL_ENAB);
- psycho_write(pbm->controller_regs + PSYCHO_IOMMU_CONTROL, control);
-
- /* If necessary, hook us up for starfire IRQ translations. */
- if (this_is_starfire)
- starfire_hookup(pbm->portid);
-
- return 0;
-}
-
#define PSYCHO_IRQ_RETRY 0x1a00UL
#define PSYCHO_PCIA_DIAG 0x2020UL
#define PSYCHO_PCIB_DIAG 0x4020UL
@@ -1053,9 +997,14 @@ static int __devinit psycho_probe(struct of_device *op,
psycho_controller_hwinit(pbm);
if (!pbm->sibling) {
- err = psycho_iommu_init(pbm);
+ err = psycho_iommu_init(pbm, 128, 0xc0000000,
+ 0xffffffff, PSYCHO_CONTROL);
if (err)
goto out_free_iommu;
+
+ /* If necessary, hook us up for starfire IRQ translations. */
+ if (this_is_starfire)
+ starfire_hookup(pbm->portid);
}
psycho_pbm_init(pbm, op, is_pbm_a);